Eduardo Torroja was a Spanish engineer who lived from 1899 to 1961. He became famous for his work with building bridges and other structures like dams and roads. He is considered to be one of the fathers of modern engineering because his techniques are still used today in construction. He made structures that were strong and resilient, and he was able to come up with creative solutions for his projects. He also wrote books about engineering which are still used as references for people studying engineering.